Snap Inc. is preparing for the biggest technology IPO since Alibaba (BABA) - Get Alibaba Group Holding Ltd. Report in 2014. The parent of Snapchat has set its valuation at the low end of expectations. The Wall Street Journal says it is valued at $19.5 billion to $22.2 billion. At that range, it puts Snap shares at $14 to $16. Boeing (BA) - Get Boeing Company Report workers rejected the union at its South Carolina plant. It was not a close vote, 74% cast ballots against it according to the Post and Courier newspaper. This is the second time the South Carolina Boeing workers have rejected being a part of a union. The workers at that plant make the Dreamliner plane. Merck (MRK) - Get Merck & Co., Inc. Report is the latest drug company to try and fail to come up with a drug to treat Alzheimer's disease. It has chosen to stop trials of its once promising treatment. Merck's setback comes just 3 months after Eli Lilly's (LLY) - Get Eli Lilly and Company Report Alzheimer's treatment failed in a trial. Biogen still has a drug being tested to treat the devastating disease.