UniFirst jumps on report Cintas makes $5.1 bln takeover offer
** Shares of UniFirst
UNF
up ~39% at $235.80 premarket
** Uniform rental firm Cintas
CTAS
makes $5.1 bln takeover offer for the provider of workplace uniforms and protective work gear, the Wall Street Journal reports
** CTAS proposed acquiring all of UNF's outstanding common and Class B shares for $275 per share in cash, report adds
** Offer price of $275 per share represents a premium of 62.4% to UNF's last close
** CTAS rose about 21% last year, UNF fell about 6%