Shares of Archer Aviation ( ACHR 3.36%) are rising on Tuesday. The company's stock gained 6.1% as of 12:50 p.m. ET and was up ...

As of 11:33 a.m. ET, shares of QuantumScape are up 6.3%.

With the fiscal Q2 update it issued last month, Supermicro guided for sales between $23.5 billion and $25 billion in its current fiscal year -- which marked a significant downward revision from its ...