** Verastem Oncology's VSTM.O shares rise 4.8% to $7.86 in early trading
** Cancer drug developer announces $75 million private placement led by investment firm RTW
** Firm has agreed with investors for placement of $24 million of shares and $51 million of pre-funded warrants
** Guggenheim Securities was the lead agent for the private placement
** Proceeds will be used to fund the potential launch of its experimental cancer therapy avutometinib and other purposes
** As of last close, VSTM stock up 45% YTD
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com;))