The market hit a 12-month high this week, rising 3% (Mon-Fri 10:30am) - that's the ASX200's best gain in 13-weeks. In keeping with tradition, better than expected company news, earnings results, and economic stimulus have driven this surge. But with a marked increase in retail investor trading in small and mid-sized companies, caution is advised...

In this week’s wrap, Jessica covers:

• (0:22) The soaring market. All sectors doing well except Utilities
• (0:55) Credit Corp (ASX:CCP) rising 18%, after a good report card
• (1:27) Home loans reaching record highs in December
• (2:03) What'll be hot next week - key earnings results
• (3:00) Two oil stocks to watch
• (4:08) Where to be cautious amongst the retail investor buying frenzy