FTSE 100 continues rally.

The FTSE 100 has managed to extend gains to a fourth straight session and is on track for its biggest weekly jump in two months, while European stocks were mixed on Friday. The FTSE 100 climbed 0.28 percent to 7,655 in midday trading, while the CAC 40 in Paris rose 0.28 percent at 6,780 points. In Germany, the DAX was flat at 14,431. The UK's blue-chip index hit a nine-month high, boosted by Shell and other commodity-linked stocks. Shell jumped 1.15 percent after it said earnings from its liquefied natural gas trading operations are likely to have been significantly higher in the fourth quarter of last year...