Compare MUC & ACMR Stocks: Price Trends, ML Decisions, Charts, Trends, Technical Analysis and more.
BlackRock MuniHoldings California Quality Fund Inc is a diversified, closed-end management investment firm. The investment objective of the company is to provide shareholders with current income exempt from U.S. federal income taxes and California personal income taxes.
ACM Research Inc is a United-based company. It is engaged in developing, manufacturing, and selling single-wafer wet cleaning equipment, which is used by semiconductor manufacturers in numerous manufacturing steps to remove particles, contaminants, and other random defects to improve product yield, in fabricating integrated circuits, or chips. The company offers space alternated phase shift which employs alternating phases of megasonic waves to deliver megasonic energy to flat and patterned wafer surfaces on a microscopic level; and Timely Energized Bubble Oscillation technology which provides effective, damage-free cleaning for both conventional two and three-dimensional patterned wafers at process nodes.