Shares of Hartford Financial Services Group Inc. /zigman2/quotes/207281914/composite HIG -0.06% dropped 1.1% in premarket trading Tuesday, after the property and casualty insurer said it has rejected Chubb Ltd.'s /zigman2/quotes/209397502/composite CB -0.08% unsolicited buyout bid. Chubb's stock rose 1.3% ahead of the open. Hartford's stock had soared 18.7% to a 13-year high on March 18 after the company said it received a bid from Chubb that valued Hartford's stock at $65 each, which would imply a $23.24 billion market capitalization for Hartford. On Tuesday, Hartford said entering into a discussion with Chubb regarding a merger "would not be in the best interest of the company and its shareholders." Hartford's has rallied 119.1% over the past 12 months through Monday and Chubb shares have run up 66.7%, while the SPDR S&P Insurance ETF /zigman2/quotes/205505650/composite KIE -0.31% has hiked up 75.8% and the S&P 500 /zigman2/quotes/210599714/realtime SPX -0.54% has gained 76.1%.




