Gartner (IT) reported Tuesday a slump in Q4 adjusted earnings and set out a 2026 outlook below analysts' expectations.

Shares slumped 21% as intraday trading volume soared to over 3.85 million from a daily average of about 1 million.

Massimo Group (MAMO) said Tuesday it signed a non-binding letter of intent to purchase all equity interests in FST Development, a company focused on artificial intelligence and hardware.

The company plans to pay between $27 million and $35 million in cash, stock, or a combination of both for the business, which is valued at up to $50 million.

Shares of Massimo Group sank 60% following a surge in intraday trading volume to over 31.2 million from a daily average of about 163,000.

Polaryx Therapeutics (PLYX) shares sank 32% after midday Tuesday after the company's shares began trading on the Nasdaq Capital Market on Monday.

Intraday trading volume was over 46,000 at the time of writing.

Price: 22.50, Change: -12.51, Percent Change: -35.73