The market is buzzing with activity today as several large cap stocks have seen a change in their technical calls. ONGC, NTPC, HCL Technologies, and Federal Bank have all been upgraded from a hold to a buy rating. This is a positive sign for investors as these stocks are expected to perform well in the near future. In terms of performance, the large cap segment has been a top performer with Max Healthcare leading the pack with a return of 5.05%. On the other hand, Marico has been the worst performer with a return of -1.92%. However, the overall advance-decline ratio for large cap stocks is still favorable with 79 stocks advancing and only 20 declining, resulting in a 3.95x ratio. In addition to the technical upgrades, there have also been some changes in the stock scores for large cap stocks. JSW Steel, ONGC, APL Apollo Tubes, Larsen & Toubro, and ICICI Bank have all seen an upgrade in their scores from mildly bullish to bullish. This indicates that these stocks are expected to see a positive trend in the coming days. Looking at the overall market, the large cap segment (BSE 100) has seen a 0.73% increase today and a 2.66% increase in the last 5 days. This is a good sign for investors as it shows a positive trend in the market. With the recent upgrades and positive performance, it may be a good time for investors to consider adding these large cap stocks to their portfolio.