LONDON -- Investors are increasingly bearish on the market at present, but search hard enough and you'll see there are a number of companies that are bucking the trend. In today's feature, David talks to Motley Fool editor Sam Robson and summarizes what growth investing is, what growth investors ought to look for -- including Peter Lynch's famous PEG ratio -- and why exactly he likes the look of SABMillerHargreaves Lansdown (LSE: HL.L), and ARM Holdings (LSE: ARM.L).

Investing is by no means easy in today's uncertain economy. That's why we've published "Top Sectors for 2012" -- our guide to three favorable industries. This free report will be dispatched immediately to your inbox.