Ocado survives ejection from FTSE 100 with help from M&S

// Ocado has survived being ejected from the FTSE 100 ranking
// Despite suffering a steep drop in value, the online supermarket remained in the ranking after a pickup in its share priceOcado has managed to keep its position in the FTSE 100 index despite suffering a steep decline in its value.
The online supermarket shares have fallen 85% since its peak in September 2020, making it the worst-performing FTSE 100 firm this year.
However, it survived being ejected from the FTSE 100 after a pickup i