Investors have lost a whopping amount of nearly Rs 11 lakh crore (Rs 11 trillion) in the stock market in less than three months since Diwali last year, with over Rs 3 lakh crore (Rs 3 trillion) being wiped out in the past three days.

The stock market on Friday plunged to its lowest level in nearly five months after three consecutive days of fall -- a period during which the benchmark Sensex plummetted by about 755 points, including a 288-point dip witnessed on Friday.

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Total investor wealth, measured in terms of cumulative market value of all listed stocks, on Friday itself fell by over Rs 1.32 lakh crore (Rs 1.320 trillion) -- taking the loss for past three days to over Rs 3 lakh crore (Rs 3 trillion) amid macro-economic concerns emanating from inflationary and governance deficit related factors.

Experts said that downward pressures in the market extended well beyond the past three days and heavy selling pressure has continued for over two months now, primarily due to heavy outflows by overseas and domestic investors keeping away in the absence of any positive triggers.

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In the process, the total investor wealth has fallen to near Rs 66.009 lakh crore (Rs 66.009 trillion) -- a huge dip of close to Rs 11 lakh crore (Rs 11,000 billion) since last Diwali on November 5, 2010, the day when the Sensex scaled its record closing level of 21,004.96 points.

The Sensex has now fallen to 18,395.97 points -- marking a plunge of over 2,600 points since Diwali.

So far in 2011, the investor wealth has fallen by nearly Rs 9 lakh crore (Rs 9 trillion), while nearly Rs 2 lakh crore (Rs 2 trillion) was lost during the last two months of 2010.

Experts said that a huge dip in investor confidence is also corroborated by a considerable plunge in the trading turnover at the bourses.

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The average daily cash market turnover at the bourses have fallen to nearly Rs 15,000 crore (Rs 150 billion), marking a decline of over one-third from approximately Rs 23,000 crore (Rs 230 billion) in October-November 2010.

The current level of turnover is not even one-third of the record level of business volume witnessed in mid-2009, when the daily average turnover was close to Rs 50,000 crore (Rs 500 billion).

The intensity of current downward rally on the bourses can be gauged from the fact that only four stocks out of the 50 top blue-chips that make the Nifty index have given a positive return in the past one month.

Even the gains of these four stocks -- namely HCL Tech, TCS, Sesa Goa and PowerGrid -- are only nominal between 0.6-7.3 per cent.