What happen to oil prices and dollar moving in tandem.

For long time people said the dollar and oil prices move in tandem. But it's not so lately. Also, Dodd-Frank maybe causing the stock market to go down because it leads it lack of liquidate, and in way,hurting economy by having banks have huge reserves, so bank buy treasury instead of lending out money, but is silver linning in Dodd-Frank because banks have huge reserves the likely hood of of financial meltdown is far less.