Brighthouse closes up after report Sixth Street looking to revive bid

** Life insurer Brighthouse Financial's BHF.O shares close up 4% at $51.90

** Sixth Street is looking to renew its long-shot bid to acquire BHF, Bloomberg News reports, citing people with knowledge of matter

** Talcott Financial Group, an insurer backed by Sixth Street, sent a private letter to BHF last month reaffirming its bid to takeover the insurance and annuity provider if a current deal falls through, the report adds

** Aquarian Capital last year agreed to buy Brighthouse in a $4.1 billion deal, which is yet to close and remains under regulatory review

** As of last close, BHF down 19.9% YTD