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Who is Peter Lynch and what is his philosophy in equity market investment? 25 Golden Rules of the most successful Fund Manager.

Peter Lynch (born January 19, 1944) is an American investor, mutual fund manager, and philanthropist. As the manager of the Magellan Fund at Fidelity Investments between 1977 and 1990, Lynch averaged a 29.2% annual return, consistently more than doubling the S&P 500 stock market index and making it the best-performing mutual fund in the world. During his 13 year tenure, assets under management increased from $18 million to $14 billion. He also co-authored a number of books and papers on investing and coined a number of well known mantras of modern individual investing strategies, such as Invest in what you know and ten bagger. Lynch is consistently described as a "legend" by the financial media for his performance record. Base on his career I have compiled his investing rules here. 25 GOLDEN RULES by @Peter Lynch 1: Nobody can predict interest rates, the future direction of the economy or the stock market. Dismiss all such forecasts & concentrate on what's actual

What is wrong with HDFC securities? Are they doing some fraudulent activities or just causing issues with their platform as usually it don't work during market hours?

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Is investing in the stock market a risk? Tips to reduce the risks?

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Coding Interview : How to find duplicate characters from String in Java also print the frequency?

The problem statement say that we need to identify how many time a character appear in a string. Program :  package net.jubiliation.example; import java.util.HashMap; import java.util.Map; import java.util.Map.Entry; public class CharacterFrequencyExample {  public static void main(String[] args) {   String str = "yweeeeerwwesfsfsfsgsgdgxcbgd";   // convert this String into array of character   char[] characterArray = str.toCharArray();   final Map<Character, Integer> charactersMap = new HashMap<>();   // maintain for each loop to traverse through each element   for (Character character : characterArray) {    if (charactersMap.containsKey(character)) {     int count = charactersMap.get(character);     count++;     charactersMap.put(character, count);    } else {     charactersMap.put(character, 0);    }   }   // Iterating the map to print the characters and frequency   for (Entry<Character, Integer> characterEntry : charactersMap.entrySet()) {    Character c