Bernadette Tansey Startup SignalFx today emerged from two years in stealth mode to unveil a troubleshooting tool it designed for Web-based software developers and for other businesses that conduct operations on widely distributed computers and devices. The San Mateo, CA-based company also announced the completion of a $ 20 million Series B fundraising round led … Continue reading SignalFx Raises $20M, Launches Monitoring Tool for Web-Based Apps