BrokerDealer.com blog update:

Raising venture capital and securing start-up funding is in full swing in this year-round season as 3 more early-stage firms raised $50 million in financing this week courtesy of leading venture-capital firms Sequoia Capital, Greylock Partners, and tech titan Salesforce.com.

Cincinnati-based Lisner Inc., which specializes in audio-beacon technology and embeds tones inaudible to the human ear into digital media, received $3.5mil in funding from Boston-based Progress Ventures, Jump Capital, CincyTech, Serra Ventures and Mercury Fund of Texas. The company expects to have $1mil-$2mil of revenue this year.

Skyhigh Networks scored $40mil to fund growth for its IT service that detects, identifies, scores and controls cloud services..

Yik Yak, best known as a gossip-sharing app that lets users post anonymously to forums raised $10mil