Jay Z streaming service flops, $84m Lehman trial begins and cash is not king

It's a day of red arrows across all the major stock indices (^DJI, ^GSPC, ^IXIC). Weak homes sales and a slight uptick in unemployment claims, combined with some mixed earnings from key names like General Motors (GM) and Catepillar (CAT) are keeping stocks in negative territory through the first half of the trading day.

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Here are some of the other stories Yahoo Finance is keeping an eye on today.

Lehman lawsuit
The trial involving a former Lehman Brothers trader suing the company continues in New York. Jonathan Hoffman claims Lehman owes him $84 million...even though the company that took over Lehman--  Barclays (BCS) --  had paid him that much.

Inversion deals are back
Shares of telecom and cable TV equipment maker Arris Group (ARRS) soaring today on its $2.1 billion acquisition of British set-top box maker Pace. Why?  Because Arris will use the deal to do an inversion...and save on U.S. taxes.

Cash...out!
Apparently it's time to get out your mattress. JPMorgan Chase (JPM) is reportedly telling some customers NOT to put cash in its safe deposit boxes.

Jay Z's big flop
Jay Z's Tidal streaming music service is not catching on the way he and his famous friends had hoped. Two weeks after its debut, the rapper's app has basically fallen off the charts, as users move to less expensive options such as Spotify.

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