The Swedish company is now valued at $6.6 billion, more than triple its $1.8 billion valuation set by investors in July.

Morningstar Quantitative Ratings for Stocks are generated using an algorithm that compares companies that are not under analyst coverage to peer companies that do receive analyst-driven ratings.

An oscilloscope is usually the most sensitive, and arguably most versatile, tool on a hacker’s workbench, often taking ...