Top Midday Decliners

03:06 PM EST, 11/02/2026 (MT Newswires) -- Bright Minds Biosciences (DRUG) said Monday that the US Food and Drug Administration placed a partial clinical hold on its investigational new drug application for BMB-101, which is being developed to treat developmental and epileptic encephalopathies. Shares plunged 52% as intraday trading volume rose to over 1.35 million from a daily average of about 128,000. Marvell Technology (MRVL) has agreed to acquire optical and photonic products maker Lumentum (LITE) in an all-stock deal worth about $115 billion, as the companies aim to create a leader in artificial intelligence connectivity. Lumentum slumped 17%, with intraday trading volume surging to 11.9 million from a daily average of 4.92 million. Marvell fell 13% as intraday trading volume climbed to almost 45.2 million from a daily average of over 21.7 million. Price: 26.00, Change: -28.98, Percent Change: -52.71