Xanadu and Rolls-Royce to build quantum computing tools with PennyLane

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Carbo Ceramics, Inc. (NASDAQ: RR) Delayed: 1.67 +0.05 (3.09%)
Previous Close $1.62    52 Week High $8.48 
Open $1.67    52 Week Low $7.13 
Day High $1.72    P/E 0.75 
Day Low $1.65    EPS $2.24 
Volume 5,513,082       

Rolls Royce Holdings plc Sponsored American Depositary Shares (AMEX: RYCEY) Delayed: 18.71 -0.12 (0.64%)
Previous Close $18.83    52 Week High $11.10 
Open $18.86    52 Week Low $7.33 
Day High $18.93    P/E N/A 
Day Low $18.67    EPS $0.00 
Volume 4,950,878