Biopharmaceutical firm Aerpio Therapeutics Inc closes Series A funding round extension worth USD9 million.

After raising USD 18.2 million, Surefire Medical announced the completion of its Series B funding. Commercial stage medical device company, Surefire Medical Inc, develops innovative infusion systems for procedures determined as minimally invasive and direct to target intervention.

Twitter Inc soared as much as 92 percent in its first day of trading on Thursday on the New York Stock Exchange as investors snapped up shares in the popular microblogging site in a frenzy that recalled the days of the dot-com bubble.

Blumberg Capital raises USD150 million with its venture capital seed fund. In an announcement, Blumberg Capital said it had closed Blumberg Capital III.

Ernst and Young publishes its annual report on the real estate private equity sector. According to the publication Global Market Outlook: Trends in Real Estate Private Equity, the emergence from recession and its consequent effects signals the real estate private equity sector position for growth in 2014.

USD9 million was raised in Series A funding round for ImmunGene Inc. Biotechnology company ImmunGene Inc. is focused on the development of anti-body cytokine fusion technology therapy for oncological applications.

Austin-based venture capital firm Silverton Partners would be using the USD75 million it raised for Fund IV to support the local startup scene in Texas.

Swiss mobile app maker Coresystems had received its first external funding since 2002. Coresystems received USD15. 5 million from investors in a recently concluded Series A funding round, TechCrunch said in a report.

Imaging startup Phi Optics Inc secured USD250,000 in seed funding from venture capital funds. Imaging solutions developer Phi Optics Inc raised USD250,000 in seed funding through a funding round led by Champaign's Serra Ventures.

Sprig recently closed its USD1.2 million seed funding round for the launching of its unique food delivery business.