's (filed): QEP Midstream Partners (QEPM) files for $400M IPO through Wells Fargo Securities IPO's (priced): BioAmber (BIOA) prices 8M-units at $10, Capitol Acquisition Corp II (CLACU) 18M-shares priced at $10 US Key Research: ••• Citi downgrades DNDN (sell), GS upgrades GVA, Opco initiates WDAY (op) ••• Baird downgrades