The New York Times put the Boston Globe up for sale for a second time. The first attempted sale, in 2009, ended after the company achieved cost cuts that included union concessions. Capital One Financial agreed to sell its portfolio of Best Buy credit card accounts to Citigroup, just two years after buying it. The move took some analysts by surprise, because the McLean-based financial firm had recently been bulking up its plastic card business. The sales price was not disclosed. KKR was reported to have offered about $3.68 billion for Gardner Denver, the industrial equipment maker that has courted takeover interest from at least eight firms since October.