U.S. stock futures were mixed this morning, with the Nasdaq 100 futures falling over 100 points on Monday.

Shares of Applied Optoelectronics Inc (NASDAQ:AAOI) fell sharply in pre-market trading after the company announced a $600 million at-the-market equity offering.

Applied Optoelectronics shares dipped 11.9% to $109.99 in pre-market trading.

Here are some other stocks moving lower in pre-market trading.

RF Acquisition Corp II (NASDAQ:RFAI) fell 35.2% to $37.61 in pre-market trading. Shares of RF Acquisition Corp II shares jumped 356% on Friday following SEC filings detailing the results of an extraordinary general meeting.