PMM vs ATOM Comparison

Putnam Managed Municipal Income Trust is a closed-end management investment company. Its investment objective is to seek a high level of current income exempt from federal income tax by investing in a diversified portfolio of tax-exempt municipal securities. The Fund invests in various sectors such as healthcare, retirement community, private higher education, housing-backed, essential service utilities, and state-backed bonds.

Atomera Inc is engaged in the business of developing, commercializing, and licensing proprietary processes and technologies for the semiconductor industry. The company's technology, named Mears Silicon Technology, or MST, is a thin film of re-engineered silicon, typically 100 to 300 angstroms (or approximately 20 to 60 silicon atomic unit cells) thick. MST can be applied as a transistor channel enhancement to CMOS-type transistors, the majority of widely used transistor types in the semiconductor industry. The mears silicon technology of the company can be used for applications like Analog, DRAM, logic and processors, and SRAM.