Summary: Stocks were lower mid-morning but reversed just before midday as investors weighed the risk of military violence in the Ukraine and poor economic data from China against a still-stale domestic economic outlook. The Crimea will vote this weekend on whether to become part of Russia as the West threatens sanctions over such a move. Investors are recalibrating their expectations for Chinese growth after a stream of poor data from the second largest economy. Jane Searle speaks with Jon Corpina.
