ACMR vs ARR Comparison

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.

ARMOUR Residential REIT Inc is a real estate investment trust that invests in residential mortgage-backed securities or RMBS. These are issued or guaranteed by U.S.-government-sponsored enterprises, such as Fannie Mae, Freddie Mac, or Ginnie Mae. The company's investment portfolio is composed of mortgage-backed securities, adjustable-rate mortgage securities, and multifamily mortgage-backed securities. In terms of total fair value, most Armour's investments are long-term, fixed-rate agency RMBS. Multifamily RMBS also represents a substantial amount. Fannie Mae guarantees most of the company's holdings. Armour derives substantially all its revenue as interest income from its investments.