 Shares of SPX FLOW Inc. were indicated up about 5 in premarket trading Monday, after the fluid handling, mixing, blending and thermal heat transfer process technologies company said it is reviewing strategic alternatives, including a possible sale of the company. The companys announcement comes after it received and rejected an unsolicited buyout bid by Ingersoll Rand Inc. for 85 a share, which followed a previously rejected bid of 81.50 a share. 