 Shares of ODP Corp. shot up 18.9 toward the highest close in more than three years, after the office supplies business services provider confirmed it received an buyout bid from Staples parent USR Parent, which is owned by Sycamore Partners. Earlier Monday, USR said it proposed to buy ODP for 40 a share in cash, which is 8.2 above Fridays closing price of 36.96. 