Morgan Stanley reiterates Plug Power as overweight The firm said it likes Plug's "winning" green hydrogen strategy. "We retain our OW-rating at this time, as we believe PLUG has a winning long-term green hydrogen strategy." Cantor Fitzgerald initiates coverage of Datadog as buy Cantor initiated coverage of the cloud-scale software company. The firm said Datadog is well positioned to navigate the "secular tailwinds in digital transformation."