Group 1: Market Overview - The S&P 500 index is down approximately 5% at the start of 2025, indicating investor concerns about the economy [1] - Stocks are experiencing a significant decline, reflecting broader economic worries [1] Group 2: Deckers Outdoor - Deckers Outdoor is the worst-performing stock on the S&P 500, down 46% [3] - The company reported a 17% revenue growth in Q4 2024, with net sales of $1.8 billion, but analysts were not satisfied with its guidance projecting 15% growth for the current year [3][4] - The stock was previously trading at over 35 times its trailing earnings but has since dropped to about 18 times [4] - Economic uncertainties, including trade wars and tariffs, pose risks to Deckers' business, and there is potential for guidance cuts [5] Group 3: Tesla - Tesla is the second worst-performing stock, down 38%, facing challenges due to questionable growth prospects and controversies surrounding CEO Elon Musk [6] - The company's automotive revenue fell by 8% in Q4, totaling $19.8 billion, with profits declining by 71% year over year to $2.3 billion [7] - Tesla's stock is trading at over 90 times its estimated future earnings, indicating it remains highly expensive with potential for further decline [8] Group 4: On Semiconductor - On Semiconductor is the third worst-performing stock, down 36%, primarily affected by economic headwinds in the automotive sector [9] - The company reported sales of $7.1 billion in 2024, a 14% decline year over year, suggesting a challenging recovery ahead [10] - On Semiconductor trades at a relatively modest valuation of 16 times next year's estimated earnings, presenting a potential long-term buying opportunity [10][11] - The long-term growth prospects for semiconductor companies are significant, with On Semiconductor's stock at multiyear lows, indicating potential for future recovery [11]

今天行情好啊，港股势如破竹，a股稳中有升，最重要的是周五，我喜欢周五大涨，涨一天算三天。 恒生科技指数今天爆升6.5%，双倍反包昨天的阴线，中概股彻底支棱起来了。还记得我上周说过中概股的合理估值是向上30%嘛，当时正好很多人套了好 几年的恒科etf刚解套，犹豫要不要走，我画的这个饼让一些老读者咬牙决定留下来再看看。 我觉得比较合理的状态就是一半信，一半怀疑，半信半疑的做交易，觉得情绪过热，股票拿着烫手了，可以少少卖一些，但大的交易节奏还是根据 中期目标来执行。这种两头不靠的交易风格容易钝化曲线，避免自己陷入巨大困境，反之那些在中国股市做的很决绝的人，炒股生涯肯定惊涛骇 浪，因为A股虽然回报率最低，但是波动率最高，它赚钱效应虽然很差，但却是最刺激的。 能够长期在这样的股市里沉淀下来，并研究出一套适合自己的交易方法论的股民，最差也算半个赌徒。 …… 昨天写到了港澳银行开卡的新闻，一些新读者还是对离岸卡概念一团浆糊。这也不怪他们，大部分中国人这辈子都没怎么单独出过国，自然也就接触不到 外汇防火墙。 其实我自己当时也在思想斗争，去年10月8日已经翻红有盈利了，就是因为不甘心没走，又滚犊子滚回粪坑了。无论港股还是a股， ...