Axiom Capital Research is downgrading Amtech Systems, Inc. (NASDAQ:

) to Hold from Buy. In a note sent to investors, Axiom writes, "Yesterday, ahead of the market open, ASYS announced an incremental $68M in orders for its solar diffusion processing furnaces from existing customers in China and one new customer in Taiwan; however, we believe only ~2/3rds of the $68M order is coming from YGE, with the balance emanating from new/existing customers." Shares of ASYS gained $1.03 yesterday to close at $20.97, a gain of 5.2%.