Prudential Financial Inc., facing regulatory scrutiny and lawsuits over a sales relationship with Wells Fargo & Co., said it may press its partner to cover costs after halting the offering — another sign the bank has yet to contain the full fallout of its bogus-account scandal. Prudential “has provided notice to Wells Fargo that it may seek indemnification,” the Newark, New Jersey-based insurer said in a Feb. 17 regulatory filing, referring to their agreement to sell MyTerm life coverage to Wells Fargo customers.