Group 1 - The concept of "well bottom breakthrough" refers to a significant turning point after a prolonged decline and subsequent consolidation, marked by a breakout to a new yearly high [1] - A recent practical case was highlighted where a stock broke out on June 18 with significant volume, indicating strong buying interest despite the overall market downtrend [1] - The stock's RSline showed a clear upward trend, outperforming the market, while the RSR also rose against the market, meeting the criteria for a strong signal [1] Group 2 - The stock belongs to the optical connector sub-sector, which has been active recently, with notable performances from companies like Nanchang New Yisheng and Shijia Photonics [1] - The four essential elements for the "well bottom breakthrough" were identified as volume, price, momentum, and anchoring, leading to the stock being included in the operational plan [1] - On the following day, a pullback occurred but did not breach half of the previous long bullish candle, indicating potential for a rebound and entry point for building positions [2]