When Waltham mobile ad start-up Quattro Wireless was purchased for $275 million in 2010, a number of similar companies started popping up in the area - such as Session M and Adelphic Mobile, says The Boston Globe. The Globe speculates that Priceline's recent $1.8 billion purchase of Kayak could entice entrepreneurs to launch their own similar start-ups.

Boston-based CoachUp, a social site for athletes to meet with private coaches, has raised $2.2 million in a Series A round of funding, according to the Boston Business Journals. Cambridge-based venture capital firm General Catalyst Partners led the funding.

Cambridge-based integrated marketing services provider HubSpot has closed a $35 million mezzanine round of funding, and has its eye on the public markets. The company, founded by former VC Brian Halligan, will spend the money on acquisitions and to fuel growth in Europe.

Boston investors put together their own version of the ABC reality show "Shark Tank," allowing five Boston start-ups and one Manhattan company to make pitches to a panel. The panel included Dharmesh Shah of HubSpot, Dave Balter of BzzAgent, and Fred Destin of Atlas Venture.

Boston-based Internet marketing company iProspect this week teamed up with Visual IQ, an Indian company from Technopark. Visual IQ will provide management software solutions to iProspect, according to the NY Daily News. "We selected Visual IQ as an attribution partner because its products enable more informed decisions and more accurate measurement of the efforts our clients put in the market," said Brian Kaminski, president of iProspect.