Hold your horses, let's wait and see how long this circle will be, it could be a very short phenomenon, unfortunately.
There is an article in WSJ speculating that the fluctuations are down to the very large hedge company that went bust this week. What that will mean with investors buying back into shares (because the oil price has come down and the economy has gone to ****).
The markets are like sheep. They will realise that oil demand has gone down due to the economy collapsing and get back into commodities again as a hedge against the dollar. Which will hammer share prices until they stop buying oil and ..
The fundamentals problems are still there and they are long term. Increasings demand from outside the industrialised nations and no increase in production. Dollar falling due to excessive borrowing and being gradually dumped as the reserve currency.