Tesla (TSLA) was under pressure again on Tuesday, falling as much as 3.8% in midday trading as a slew of competitors in China announced updates that again signaled competition on the mainland ramping up for the EV giant. Tuesday's loss follows a 5% drop for Tesla stock to start the week, and shares are now down over 52% from highs reached back in December. NasdaqGS – Nasdaq Real Time Price • USD (TSLA) View Quote Details 228.26 – (-4.10%) As of 1:01:17 PM EDT. Market Open. Advanced Chart What’s driving the news BYD (BYDDY), China’s top automaker, announced a huge…