Astrotech (ASTC) shares soared 511% amid heavy trading after the company's board approved an initiative aimed at evaluating emerging opportunities associated with Moon-based quantum computing manufacturing.

More than 113.6 million shares of the company traded intraday compared with a daily average of about 2.12 million.

Q32 Bio (QTTB) said Wednesday it agreed to raise about $55 million through a private placement with institutional and accredited investors.

Shares soared 70% amid a surge in intraday trading volume to over 18.0 million from a daily average of roughly 322,000.

Dycom Industries (DY) reported fiscal Q1 adjusted net income and contract revenue above market expectations on Wednesday. It also increased the fiscal 2027 guidance for contract sales, beating consensus.

Shares advanced 31% as intraday trading volume rose to over 861,000 from a daily average of about 439,000.

Price: 547.30, Change: +126.83, Percent Change: +30.16