EV giant Tesla Inc (NASDAQ:TSLA) has seemingly built 6000 Model Ys in a week at its gigafactory in Berlin. What Happened: Lars Lengacker, an associate quality engineer at Tesla Germany, earlier this week posted a video on LinkedIn of a silver Model Y with several t-shirts on it. The t-shirts pose graphics reading “1k,” “2k”, “3k” and so on, hinting at the weekly production milestones achieved at the Giga Berlin factory. One of the t-shirts has “6k” printed on it, hinting that the company has achieved that milestone as well. Director of Quality Bob Foulkes also took to LinkedIn to acknowledge t…