Shares of semiconductor-manufacturing equipment company ACM Research (ACMR 4.24%) are up just over 100% since last December as the company ratchets up its sales to China's burgeoning chipmaking industry. Revenue is up 38% through the first nine months of 2023, and earnings per share (EPS) have more than doubled. That said, after a massive run-up, it looks like ACM is showing signs of slowing a bit. Optimism is still running high, though, as China is highly motivated to develop its own chip manufacturing cap ...