US STOCKS-S&P 500, Nasdaq on course for record closing highs on vaccine boost – Reuters
(Updates to late afternoon, adds market details, dateline)
* Pfizer-BioNTechs COVID-19 vaccine approval lifts market mood
* Trillium nearly triples on Pfizers $2.26 bln deal
* GM to take $1 bln hit on expanded Bolt EV recall, shares slip
* Indexes jump:…
