Automates live portfolio tracking and analysis using browser automation on Yahoo Finance. Fetches real-time prices for Vish's 27 stocks/ETFs + 4 cryptos, updates portfolio-tracker.md, generates performance summaries, winners/losers, rebalancing suggestions, and market news. Use for: portfolio value checks, performance analysis, daily/heartbeat updates, averaging opportunities, or when user mentions stocks, portfolio, investments, or market updates.

通过浏览器自动化技术在雅虎财经上实现投资组合的实时追踪与分析，获取Vish的27只股票/ETF和4种加密货币的实时价格，更新portfolio-tracker.md文件，生成绩效摘要、盈亏排行、再平衡建议及市场新闻。适用于：查询投资组合价值、分析表现、每日或心跳式更新、寻找均价机会，或当用户提及股票、投资组合、投资或市场动态时使用。