Stock Movers

Today's biggest winners and losers in the stock market, a look at the notable movers:
On this episode of Stock Movers:

- An AI-fueled stock rout in South Korea spilled over into the US market Monday, as SK Hynix (SKHY) American depositary shares fell as much as 9.9%. The decline came after shares of SK Hynix plunged a record 15% in South Korea, sending the benchmark Kospi index down 9% and triggering a market-wide trading suspension.

-Biogen (BIIB) was raised to buy from hold at Truist Securities as analyst Danielle Brill sees an attractive risk reward ahead of pivotal clinical data readouts. Biogen is expected to show detailed data on its experimental Alzheimer's drug, diranersen, at the Alzheimer's Association International Conference in London, which could give a shot in the arm to Biogen stock.

- TriCo Bancshares (TCBK) shares rise. First Hawaiian agreed to acquire TriCo in an all-stock transaction valued at $63.12 per share based on Friday’s closing price. Upon closing, First Hawaiian and TriCo shareholders are expected to own approximately 65% and 35%, respectively, of the combined company.
See omnystudio.com/listener for privacy information.

On this episode of Stock Movers:
- TriCo Bancshares (TCBK) shares rise. First Hawaiian agreed to acquire TriCo in an all-stock transaction valued at $63.12 per share based on Friday’s closing price. Upon closing, First Hawaiian and TriCo shareholders are expected to own approximately 65% and 35%, respectively, of the combined company.
- SK Hynix (SKHY) ADRs plunge. An AI-fueled stock rout in South Korea spilled over into the US market Monday. The decline came after shares of SK Hynix plunged a record 15% in South Korea, sending the benchmark Kospi index down 9% and triggering a market-wide trading suspension. Traders pointed to fears of lower-than-expected earnings, with a report from Korea Investment & Securities projecting SK Hynix's operating profit for the latest quarter may trail consensus by 8%.
- Humana (HUM) shares edge up after Wells Fargo upgraded the health insurer to overweight from equal-weight, citing moderating cost trend in Medicare Advantage. “While we entered 2026 concerned about HUM’s MA underwriting and membership growth, we now believe that moderating cost trend has significantly decreased earnings risk,” analyst Stephen Baxter writes in a note.
See omnystudio.com/listener for privacy information.

On this episode of Stock Movers:
- SK Hynix (SKHY) ADRs plunge. An AI-fueled stock rout in South Korea spilled over into the US market Monday. The decline came after shares of SK Hynix plunged a record 15% in South Korea, sending the benchmark Kospi index down 9% and triggering a market-wide trading suspension. Traders pointed to fears of lower-than-expected earnings, with a report from Korea Investment & Securities projecting SK Hynix's operating profit for the latest quarter may trail consensus by 8%.
- Blackstone (BX) shares are little changed. Williams signed an agreement led by funds managed by Blackstone Credit & Insurance to support the development of five power projects. Apollo and accounts managed by KKR are partners to Blackstone on the deal. Blackstone and its partners will provide Williams with $5.34 billion in exchange for a 49% noncontrolling equity interest in the five projects, according to a statement Monday.
- TriCo Bancshares (TCBK) shares rise. First Hawaiian agreed to acquire TriCo in an all-stock transaction valued at $63.12 per share based on Friday’s closing price. Upon closing, First Hawaiian and TriCo shareholders are expected to own approximately 65% and 35%, respectively, of the combined company.
See omnystudio.com/listener for privacy information.

Today's biggest winners and losers in the stock market.
On this episode of Stock Movers:
- MGM Resorts International (MGM) shares are rising on a report regarding a potential takeover bid from Barry Diller.
- SK Hynix (SKHY) shares are lower and other memory stocks are also falling. It is lower over concerns with the sustainability of artificial-intelligence spending. The drop in South Korean trading is likely to cause a hit to the American depositary receipts as well. The debate between the optimists and pessimists will continue, which should create volatility, according to Hendi Susanto, portfolio manager at Gabelli Funds.
- Agenus (AGEN) shares are moving higher on news of a deal that it's selling up to $3540 million worth of securities.
See omnystudio.com/listener for privacy information.

Today's biggest winners and losers in the stock market.
On this episode of Stock Movers:
- SK Hynix (SKHY) shares are lower and other memory stocks are also falling. It is lower over concerns with the sustainability of artificial-intelligence spending. The drop in South Korean trading is likely to cause a hit to the American depositary receipts as well. The debate between the optimists and pessimists will continue, which should create volatility, according to Hendi Susanto, portfolio manager at Gabelli Funds.
- Taiwan Semiconductor (TSM) shares are soaring after it reported a 36% jump in quarterly sales, meeting elevated expectations while signaling global demand for AI computing remains intact.
- Conmed (CNMD) shares are moving on news it is exploring options including a potential sale amid takeover interest from private equity firms, according to people familiar with the matter. The US-based medical technology company is working with advisers as it weighs its options, the people said, asking not to be identified discussing confidential information.
See omnystudio.com/listener for privacy information.