BERLIN (Reuters) - The German economy plunged into a recession after suffering its steepest quarterly contraction since the 2009 financial crisis as shops and factories were shut down in mid-March to fight the spread of the coronavirus, preliminary data showed on Friday.The 2.2% first-quarter contraction was a foretaste of worse to come. Economists expect a deeper slump in the second quarter as the lockdown extended well into April and early May and sectors like tourism and in-door gastronomy..