The Bloomberg Commodity index which tracks twenty key global commodities and the related Goldman Sachs Commodity index (GSCI) are both looking pretty poorly right now, with the former down at 5 year lows as worries about Chinese growth continue to way on investors minds.

Just when shareholders in Tesco thought it couldn’t get any worse after a series of profit warnings, there was another dramatic announcement this morning that trading profits for the first half of the year had been overstated by £250 million due to “to the accelerated recognition of commercial income and delayed accrual of costs”.

After strong investor demand, Jack Ma’s Alibaba Group Holding Ltd will have their IPO at $68 on the NYSE and will start trading later today, in one of the world’s largest ever initial public offerings, valuing the company at $168 billion.

I remember with fond memories during my youth of the Sony Walkman and Trinitron TV sets as the gold standard in the audio visual sphere. Now Sony seems to be in tatters, announcing an expected $2.14 billion loss for the year ending March 2015 after years of restructuring.