A股探底回升，沪指率先翻红；创业板指跌幅收窄至0.56%，深成指跌0.4%，此前双双一度跌逾1%

Core Points - A-shares showed signs of recovery after hitting a low, with the Shanghai Composite Index leading the rebound [1] - The ChiNext Index experienced a narrowing decline of 0.56%, while the Shenzhen Component Index fell by 0.4%, having previously dropped over 1% [1] Summary by Index - Shanghai Composite Index: Closed at 4006.86, up by 4.11 points, representing a 0.10% increase [2] - ChiNext Index: Closed at 3116.69, down by 17.63 points, reflecting a 0.56% decrease [2] - Shenzhen Component Index: Closed at 13235.27, down by 53.74 points, indicating a 0.40% decline [2] - STAR 50 Index: Closed at 1374.20, down by 13.33 points, showing a 0.96% decrease [2] - North Exchange 50 Index: Closed at 1489.91, down by 7.23 points, a 0.48% decline [2] - CSI 300 Index: Closed at 4651.92, down by 0.24 points, a negligible 0.01% decrease [2] - Shanghai 50 Index: Closed at 3049.50, up by 14.87 points, indicating a 0.49% increase [2]