$CMI is one of biggest losers #stocks today. read more:

Cummins Inc. Common Stock (symbol: CMI) was one of the worst losers of the
trading day today (2015-12-01), losing -7.93%. The number of shares that
changed hands was 13,061,560, or about 6 times the average daily volume in
the stock.
The closing price was $92.41, amounting to a market cap of $16,320,000,000,
about -38.9% off the highest price in the last 12 months. The stock has
been trading at a range between $91.92 and $151.25.
CMI is in the Industrial Machinery/Components industry, part of the Energy
sector.
Looking at its valuation, the stock is now trading at 9.89 times earnings.