The stock market has been on a rollercoaster ride today, with the large cap (BSE 100) segment showing a 0.39% increase. This comes as no surprise as in the last 5 days, the large cap has seen a significant rise of 3.26%. This segment has been the best performer, with Tube Investments leading the pack with a return of 3.43%. However, not all stocks in this segment have been performing well, with UPL showing a return of -3.60%, making it the worst performer.

Despite this, the advance-decline ratio for stocks in the large cap segment is still positive, with 62 stocks advancing and only 36 declining. This translates to a healthy ratio of 1.72x, indicating a positive sentiment in the market.

In addition, some stocks in this segment have recently received an upgrade in their stock score. Siemens, which was previously rated as a hold, has now been upgraded to a buy. Similarly, St Bk of India has also been upgraded from hold to buy. This news has further boosted investor confidence in these stocks and is expected to drive the market even higher.

Overall, the large cap segment has been a major driving force in the market today, with its strong performance and positive sentiment. Investors can look forward to more gains in this segment, especially with the upgraded stock scores of some prominent stocks.